[MITgcm-support] Irregular horizontal grid

[Ryan Abernathey]

The velocity field you describe sounds an awful lot like AVISO. If so, you might want to check out their most recent products, which are all on a regular 1/4 deg grid. 

-Ryan

Sent from my iPhone

On Sep 26, 2014, at 5:19 AM, Neill Mackay <neill_mackay at hotmail.com> wrote:

> Ah brilliant, thanks Michael!
>  
> From: schaferk at bellsouth.net
> Date: Thu, 25 Sep 2014 15:18:04 -0500
> To: mitgcm-support at mitgcm.org
> Subject: Re: [MITgcm-support] Irregular horizontal grid
> 
> Neil. 
> 
> In the data file, NAMELIST PARM04, you'll be able to specify a list of dy values in the parameter delY (array of length ny), or use the delYFile parameter, to specify the dy values in a binary file, 
> To be read at runtime.
> 
> Michael
> 
> Sent from Here3.
> 
> On Sep 25, 2014, at 11:42, Neill Mackay <neill_mackay at hotmail.com> wrote:
> 
> Hi all,
>  
> I have been running MITgcm offline. I set up my horizontal grid in the 'data' file using the 'dxSpacing' and 'dySpacing' parameters in degrees. Is it possible to set up an irregular horizontal grid? I have a velocity field which is evenly spaced 1/3rd of a degree in the zonal direction, but the meridional spacings are uneven, and I'd like to try to introduce the field into the offline model without interpolating it.
>  
> Thanks,
>  
> Neill.
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